ATE241934T1 - VASO-OCCLUSIVE SPIRAL WITH A POLYMER TIP - Google Patents

VASO-OCCLUSIVE SPIRAL WITH A POLYMER TIP

Info

Publication number
ATE241934T1
ATE241934T1 AT97307530T AT97307530T ATE241934T1 AT E241934 T1 ATE241934 T1 AT E241934T1 AT 97307530 T AT97307530 T AT 97307530T AT 97307530 T AT97307530 T AT 97307530T AT E241934 T1 ATE241934 T1 AT E241934T1
Authority
AT
Austria
Prior art keywords
coil
windings
plug
alternatively
vaso
Prior art date
Application number
AT97307530T
Other languages
German (de)
Inventor
Son M Gia
Original Assignee
Boston Scient Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Boston Scient Ltd filed Critical Boston Scient Ltd
Application granted granted Critical
Publication of ATE241934T1 publication Critical patent/ATE241934T1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
    • A61B17/1214—Coils or wires
    • A61B17/1215—Coils or wires comprising additional materials, e.g. thrombogenic, having filaments, having fibers, being coated
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
    • A61B17/1214—Coils or wires
    • A61B17/12145—Coils or wires having a pre-set deployed three-dimensional shape

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Reproductive Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Materials For Medical Uses (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

A vaso-occlusive coil (10) comprises helical windings (11), the end windings (12,13) having a longer pitch than the central windings (14), and provided with a plug (17) in the free ends (15,16) of the coil (10). The coil (10) may be made of a metal of platinum, gold, rhodium, rhenium, palladium, tungsten or alloys. The plug (17) is made from a thermoplastic biocompatible polymer such as polyester, polyamide, or a polyolefin, having a melt temperature in excess of 125 [deg] C. The plug (17) is heated to mould to the coil windings and form a rounded head to insulate and blunt the coil ends. Alternatively, the coil (10) above has a uniform pitch and a clover leaf secondary shape. Alternatively, the coil (10) above has fibres attached to the coil windings, or a polymer strand extending sinusoidally throughout its length. The ends are fused to the polymer plugs. Alternatively, the coil has a plug at one end and a mechanically detachable joint at the other, is detachable via a connective joint susceptible to electrolysis.
AT97307530T 1996-09-26 1997-09-25 VASO-OCCLUSIVE SPIRAL WITH A POLYMER TIP ATE241934T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/721,351 US5690667A (en) 1996-09-26 1996-09-26 Vasoocclusion coil having a polymer tip

Publications (1)

Publication Number Publication Date
ATE241934T1 true ATE241934T1 (en) 2003-06-15

Family

ID=24897624

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97307530T ATE241934T1 (en) 1996-09-26 1997-09-25 VASO-OCCLUSIVE SPIRAL WITH A POLYMER TIP

Country Status (10)

Country Link
US (1) US5690667A (en)
EP (1) EP0832606B1 (en)
JP (1) JP3102855B2 (en)
KR (1) KR19980025045A (en)
AT (1) ATE241934T1 (en)
AU (1) AU689070B1 (en)
CA (1) CA2216618C (en)
DE (1) DE69722545T2 (en)
ES (1) ES2198535T3 (en)
NO (1) NO974436L (en)

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Also Published As

Publication number Publication date
EP0832606B1 (en) 2003-06-04
NO974436L (en) 1998-03-27
JP3102855B2 (en) 2000-10-23
US5690667A (en) 1997-11-25
JPH10118082A (en) 1998-05-12
CA2216618A1 (en) 1998-03-26
ES2198535T3 (en) 2004-02-01
DE69722545D1 (en) 2003-07-10
CA2216618C (en) 2002-01-08
KR19980025045A (en) 1998-07-06
DE69722545T2 (en) 2004-04-22
NO974436D0 (en) 1997-09-25
AU689070B1 (en) 1998-03-19
EP0832606A1 (en) 1998-04-01

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